Scroll horizontally using 'Shift + Scroll'
An extension that shows GitHub user's real names instead of their usernames on issues and such.
Aspect ratio fixer for Youtube. Allows improperly encoded videos to properly fit wider displays (e.g. 21:9)
A Firefox add-on that makes Google Play Music faster and better.
Theme Font & Size Changer Featured
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
New Tab Tools Featured
Customizes the new tab page. Add more tiles. Add the launcher from Firefox start. Have a background image. Set new tile images and titles. See recently closed tabs. And more...
An add-on which allows you to block certain videos on YouTube
Quick access to the closed tabs history
Additional customizations for the Tangofox theme: Icons/images for the about:home page, the Firefox PDF viewer (PDF.js), the about: page and the about dialog.
Additional customizations for the Tangerinefox theme: Icons/images for the about:home page, the Firefox PDF viewer (PDF.js), the about: page and the about dialog.
Lets you customize the Google™ homepage by adding background images, changing the logo and more!
Short, Vim-style keyboard shortcuts for browsing and navigation, for a near mouseless experience.
Highlights previous scroll position
SearchPreview Requires Restart
The main feature of SearchPreview is to enhance your search results pages. It inserts site preview images (thumbnails), popularity ranks and sponsored links (where available) into Google™, DuckDuckGo™, Yahoo™ and Bing™ searches.
Classic Theme Restorer Requires Restart
Squared tabs, appmenu, add-on bar, small button view and many more 'old' features for Firefox 29+ (Windows / MacOSX / Linux).
All builds & changelogs on versions page!
An add-on that allows colouring Firefox in a Vivaldi style fashion.
Context Bookmarks Requires Restart
Adds bookmarks to context menu so you can access them by mouse right click.
Расширение позволяет настраивать дизайн ВКонтакте на свой вкус
Discontinued. The replacement is "Smart Zoom" - https://addons.mozilla.org/en-US/firefox/addon/smart-zoom/